{ stdenv, lib, fetchurl, fetchFromGitHub, autoconf, automake, libtool, makeWrapper, linuxHeaders
, pkgconfig, cmake, gnumake, yasm, python2Packages
, libgcrypt, libgpgerror, libunistring
, boost, avahi, lame, autoreconfHook
, gettext, pcre-cpp, yajl, fribidi, which
, openssl, gperf, tinyxml2, taglib, libssh, swig, jre
, libX11, xorgproto, libxml2
, libXt, libXmu, libXext
, libXinerama, libXrandr
, libXtst, libXfixes, systemd
, alsaLib, libGLU_combined, glew, fontconfig, freetype, ftgl
, libjpeg, jasper, libpng, libtiff
, libmpeg2, libsamplerate, libmad
, libogg, libvorbis, flac, libxslt
, lzo, libcdio, libmodplug, libass, libbluray
, sqlite, mysql, nasm, gnutls, libva, libdrm
, curl, bzip2, zip, unzip, glxinfo, xdpyinfo
, libcec, libcec_platform, dcadec, libuuid
, libcrossguid, libmicrohttpd
, bluez, doxygen, giflib, glib, harfbuzz, lcms2, libidn, libpthreadstubs, libtasn1, libXdmcp
, libplist, p11-kit, zlib, flatbuffers, fmt, fstrcmp, rapidjson
, dbusSupport ? true, dbus ? null
, joystickSupport ? true, cwiid ? null
, nfsSupport ? true, libnfs ? null
, pulseSupport ? true, libpulseaudio ? null
, rtmpSupport ? true, rtmpdump ? null
, sambaSupport ? true, samba ? null
, udevSupport ? true, udev ? null
, usbSupport  ? false, libusb ? null
, vdpauSupport ? true, libvdpau ? null
, useWayland ? false, wayland ? null, wayland-protocols ? null
, waylandpp ?  null, libxkbcommon ? null
}:

assert dbusSupport  -> dbus != null;
assert nfsSupport   -> libnfs != null;
assert pulseSupport -> libpulseaudio != null;
assert rtmpSupport  -> rtmpdump != null;
assert sambaSupport -> samba != null;
assert udevSupport  -> udev != null;
assert usbSupport   -> libusb != null && ! udevSupport; # libusb won't be used if udev is avaliable
assert vdpauSupport -> libvdpau != null;
assert useWayland -> wayland != null && wayland-protocols != null && waylandpp != null && libxkbcommon != null;

let
  kodiReleaseDate = "20190627";
  kodiVersion = "18.3";
  rel = "Leia";

  kodi_src = fetchFromGitHub {
    owner  = "xbmc";
    repo   = "xbmc";
    rev    = "${kodiVersion}-${rel}";
    sha256 = "18fbl5hs3aqccrn0m3x7hp95wlafjav0yvrwmb5q3gj24mwf6jld";
  };

  cmakeProto = fetchurl {
    url = "https://raw.githubusercontent.com/pramsey/libght/ca9b1121c352ea10170636e170040e1af015bad1/cmake/modules/CheckPrototypeExists.cmake";
    sha256  = "1zai82gm5x55n3xvdv7mns3ja6a2k81x9zz0nk42j6s2yb0fkjxh";
  };

  cmakeProtoPatch = ''
    # get rid of windows headers as they will otherwise be found first
    rm -rf msvc

    cp ${cmakeProto} cmake/${cmakeProto.name}
    # we need to enable support for C++ for check_prototype_exists to do its thing
    substituteInPlace CMakeLists.txt --replace 'LANGUAGES C' 'LANGUAGES C CXX'
    if [ -f cmake/CheckHeadersSTDC.cmake ]; then
      sed -i cmake/CheckHeadersSTDC.cmake \
        -e '7iinclude(CheckPrototypeExists)'
    fi
  '';

  kodiDependency = { name, version, rev, sha256, ... } @attrs:
    let
      attrs' = builtins.removeAttrs attrs ["name" "version" "rev" "sha256"];
    in stdenv.mkDerivation ({
      name = "kodi-${lib.toLower name}-${version}";
      src = fetchFromGitHub {
        owner = "xbmc";
        repo  = name;
        inherit rev sha256;
      };
      enableParallelBuilding = true;
    } // attrs');

  ffmpeg = kodiDependency rec {
    name    = "FFmpeg";
    version = "4.0.3";
    rev     = "${version}-${rel}-18.2";
    sha256  = "1krsjlr949iy5l6ljxancza1yi6w1annxc5s6k283i9mb15qy8cy";
    preConfigure = ''
      cp ${kodi_src}/tools/depends/target/ffmpeg/{CMakeLists.txt,*.cmake} .
    '';
    buildInputs = [ gnutls libidn libtasn1 p11-kit zlib libva ]
      ++ lib.optional  vdpauSupport    libvdpau;
    nativeBuildInputs = [ cmake nasm pkgconfig ];
  };

  # We can build these externally but FindLibDvd.cmake forces us to build it
  # them, so we currently just use them for the src.
  libdvdcss = kodiDependency rec {
    name              = "libdvdcss";
    version           = "1.4.2";
    rev               = "${version}-${rel}-Beta-5";
    sha256            = "0j41ydzx0imaix069s3z07xqw9q95k7llh06fc27dcn6f7b8ydyl";
    buildInputs       = [ linuxHeaders ];
    nativeBuildInputs = [ cmake pkgconfig ];
    postPatch = ''
      rm -rf msvc

      substituteInPlace config.h.cm \
        --replace '#cmakedefine O_BINARY "''${O_BINARY}"' '#define O_BINARY 0'
    '';
    cmakeFlags = [
      "-DBUILD_SHARED_LIBS=1"
      "-DHAVE_LINUX_DVD_STRUCT=1"
    ];
  };

  libdvdnav = kodiDependency rec {
    name              = "libdvdnav";
    version           = "6.0.0";
    rev               = "${version}-${rel}-Alpha-3";
    sha256            = "0qwlf4lgahxqxk1r2pzl866mi03pbp7l1fc0rk522sc0ak2s9jhb";
    buildInputs       = [ libdvdcss libdvdread ];
    nativeBuildInputs = [ cmake pkgconfig ];
    postPatch         = cmakeProtoPatch;
    postInstall = ''
      mv $out/lib/liblibdvdnav.so $out/lib/libdvdnav.so
    '';
  };

  libdvdread = kodiDependency rec {
    name              = "libdvdread";
    version           = "6.0.0";
    rev               = "${version}-${rel}-Alpha-3";
    sha256            = "1xxn01mhkdnp10cqdr357wx77vyzfb5glqpqyg8m0skyi75aii59";
    buildInputs       = [ libdvdcss ];
    nativeBuildInputs = [ cmake pkgconfig ];
    configureFlags    = [ "--with-libdvdcss" ];
    postPatch         = cmakeProtoPatch;
  };

in stdenv.mkDerivation rec {
    name = "kodi-${lib.optionalString useWayland "wayland-"}${kodiVersion}";

    src = kodi_src;

    buildInputs = [
      gnutls libidn libtasn1 nasm p11-kit
      libxml2 yasm python2Packages.python
      boost libmicrohttpd
      gettext pcre-cpp yajl fribidi libva libdrm
      openssl gperf tinyxml2 taglib libssh swig jre
      libX11 xorgproto libXt libXmu libXext
      libXinerama libXrandr libXtst libXfixes
      alsaLib libGLU_combined glew fontconfig freetype ftgl
      libjpeg jasper libpng libtiff
      libmpeg2 libsamplerate libmad
      libogg libvorbis flac libxslt systemd
      lzo libcdio libmodplug libass libbluray
      sqlite mysql.connector-c avahi lame
      curl bzip2 zip unzip glxinfo xdpyinfo
      libcec libcec_platform dcadec libuuid
      libgcrypt libgpgerror libunistring
      libcrossguid cwiid libplist
      bluez giflib glib harfbuzz lcms2 libpthreadstubs libXdmcp
      ffmpeg flatbuffers fmt fstrcmp rapidjson
      # libdvdcss libdvdnav libdvdread
    ]
    ++ lib.optional  dbusSupport     dbus
    ++ lib.optionals joystickSupport [ cwiid ]
    ++ lib.optional  nfsSupport      libnfs
    ++ lib.optional  pulseSupport    libpulseaudio
    ++ lib.optional  rtmpSupport     rtmpdump
    ++ lib.optional  sambaSupport    samba
    ++ lib.optional  udevSupport     udev
    ++ lib.optional  usbSupport      libusb
    ++ lib.optional  vdpauSupport    libvdpau
    ++ lib.optional  useWayland [
      wayland waylandpp
      # Not sure why ".dev" is needed here, but CMake doesn't find libxkbcommon otherwise
      libxkbcommon.dev
    ];

    nativeBuildInputs = [
      cmake
      doxygen
      makeWrapper
      which
      pkgconfig gnumake
      autoconf automake libtool # still needed for some components. Check if that is the case with 19.0
    ] ++ lib.optional useWayland [ wayland-protocols ];

    cmakeFlags = [
      "-Dlibdvdcss_URL=${libdvdcss.src}"
      "-Dlibdvdnav_URL=${libdvdnav.src}"
      "-Dlibdvdread_URL=${libdvdread.src}"
      "-DGIT_VERSION=${kodiReleaseDate}"
      "-DENABLE_EVENTCLIENTS=ON"
      "-DENABLE_INTERNAL_CROSSGUID=OFF"
      "-DENABLE_OPTICAL=ON"
      "-DLIRC_DEVICE=/run/lirc/lircd"
    ] ++ lib.optional useWayland [
      "-DCORE_PLATFORM_NAME=wayland"
      "-DWAYLAND_RENDER_SYSTEM=gl"
    ];

    enableParallelBuilding = true;

    # 14 tests fail but the biggest issue is that every test takes 30 seconds -
    # I'm guessing there is a thing waiting to time out
    doCheck = false;

    postPatch = ''
      substituteInPlace xbmc/platform/linux/LinuxTimezone.cpp \
        --replace 'usr/share/zoneinfo' 'etc/zoneinfo'
    '';

    postInstall = ''
      for p in $(ls $out/bin/) ; do
        wrapProgram $out/bin/$p \
          --prefix PATH            ":" "${lib.makeBinPath [ python2Packages.python glxinfo xdpyinfo ]}" \
          --prefix LD_LIBRARY_PATH ":" "${lib.makeLibraryPath
              ([ curl systemd libmad libvdpau libcec libcec_platform rtmpdump libass ] ++ lib.optional nfsSupport libnfs)}"
      done

      substituteInPlace $out/share/xsessions/kodi.desktop \
        --replace kodi-standalone $out/bin/kodi-standalone
    '';

    doInstallCheck = true;

    installCheckPhase = "$out/bin/kodi --version";

    passthru = {
      pythonPackages = python2Packages;
    };

    meta = with stdenv.lib; {
      description = "Media center";
      homepage    = https://kodi.tv/;
      license     = licenses.gpl2;
      platforms   = platforms.linux;
      maintainers = with maintainers; [ domenkozar titanous edwtjo peterhoeg sephalon ];
    };
}